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How to make DIY Wood Triangle Shelf Brackets

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Want to build wooden shelf brackets from scratch? Here’s a simple step by step tutorial to do so!

We’re continuing on with the guest bedroom makeover with these DIY triangle shelf brackets! We’ve shared with you our cedar plank ceiling and our color block wall painting already.

Once we had the frame of the room done, we could start with filling it in. We started by making these brackets and a wall-to-wall shelf over the bed for books!

How to make wood shelf brackets

These brackets are high impact and really cool. We wanted something unique and study to hold literally all of the books that we own.

DIY Triangle Shelf Brackets - Charleston Crafted

How to make triangle shelf brackets out of wood

Making a triangular shelf bracket is easy. It requires three pieces of wood. We made these brackets based on planning to hang a 1″x8″ shelf.

We used 1×3 lumber for these brackets, meaning they are 3/4″ thick by 2 1/2″ wide.

Honestly, if you just wanted to make one or two brackets, you could use scrap pieces of wood!

For each bracket, we cut three pieces- 7″, 6 1/4″, and 9″ (this one being beveled at 45 degrees on each end and the 9″ being the longest side.

DIY Triangle Shelf Brackets - Charleston Crafted

In the 6 1/4″ piece, we drilled two pocket holes and then attached this piece into the 7″ piece.

The Kreg pocket hole screws make this a really heavy duty bracket!

Tip: if you want to pre-drill pilot holes to screw these into the wall, do it before you Kreg and glue the pieces together!

Then we spread wood glue on the two cut edges of the 9″ piece and secured that to the angle of the other two pieces.

You could also use corner clamps or even a speed square to ensure you get a nice 45 degree angle as the wood glue dries.

DIY Triangle Shelf Brackets - Charleston Crafted

Once the glue was dry, we removed the tape and then stained the shelf brackets with a white wash.

DIY Triangle Shelf Brackets - Charleston Crafted

Making shelf brackets out of wood might sound scary, but I hope that showed you how easy it really is to do!

How to add a wooden shelf

For the shelf, we cut a 12 foot board down to the exact dimensions of our wall so it would go the full length. We stained the board with Varathane Weathered Wood Accelerator to create a similar look to the side tables. We wanted to have things match as best as possible.

DIY Triangle Shelf Brackets - Charleston Crafted

Installation of wooden brackets

We hung the brackets on the wall using drywall anchors and screws. You might want to drill a pilot hole in your bracket first.

Honestly, it was pretty tough to get a drill bit inside the triangle of the support bracket! Take your time with it.

We set it so that the shelf would sit right at the line of our color blocked wall. The three brackets were spaced out with two each a foot from the walls and one in the center.

Be sure to use a level (or laser level) to ensure straight lines!

DIY Triangle Shelf Brackets - Charleston Crafted

We spread out all of our remaining books that we haven’t purged on the bookshelf. Now, if one of our guests needs something to read, all they have to do is reach up!

DIY Triangle Shelf Brackets - Charleston Crafted
DIY Triangle Shelf Brackets - Charleston Crafted
Yield: 1 shelf bracket

How to make wooden shelf brackets

Active Time: 30 minutes
Total Time: 30 minutes
Difficulty: Medium
Estimated Cost: $10-50

These shelf brackets are very sturdy and a great option if you want DIY brackets! We used 3 to hold up 1 10 foot shelf

Materials

  • 1"x3" lumber
  • Paint or stain
  • Kreg screws
  • Wood glue

Tools

  • Saw
  • Drill
  • Kreg Jig

Instructions

  1. Cut three pieces- 7″, 6 1/4″, and 9″ - this one being beveled at 45 degrees on each end and the 9″ being the longest side.
  2. In the 6 1/4″ piece, drill two pocket holes and then attached this piece into the 7″ piece.
  3. Then spread wood glue on the two cut edges of the 9″ piece and secured that to the angle of the other two pieces.
  4. Stain or paint the brackets.
  5. To mount - use a level to ensure it's level and screw into the wall. We recommend 3 for a long shelf.

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Did you make this project?

Please leave a comment on the blog or share a photo on Pinterest

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Mike

Wednesday 18th of November 2020

Dude how the hell did you get a drill to fit in the bracket?! I just broke a bit trying to get it to fit right. This is by far the most frustrating shelf I have ever made and my house needed a lot of shelves.

Sean

Wednesday 18th of November 2020

I would use a right angle drill to fit in there, or a ratchet.

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Frans

Saturday 10th of October 2020

Hi Sean, thanks for the post!

I'm looking to do something similar, but the shelves will be bigger and bearing a lot more weight than just a few books. My worry is that the weak spot will be where the diagonal piece of wood (the two 45 degree bevels) connects to the other two pieces. If the glue doesn't hold the pieces together (particularly if a lot of weight were to be put on the edges of the shelves furthest away from the wall), the whole thing would collapse.

Any thoughts on whether your design could bear a decent amount of weight, or how you could increase the weight it can bear?

Thanks!

Sean

Saturday 10th of October 2020

I can tell you that on this bookshelf, we had approximately 75 books on the shelf and it held up just fine. If you wanted to add some extra support, you could consider doing screws through the angles to better connect the two boards. But the pocket holes in the 90 degree angle really add a lot of stability to that top board. Combined with the angle acting as its own counterweight, I think these hold up quite a bit of weight. Also remember that the more brackets there are, the more weight they can hold, so if you think you have a lot of weight, you could do more brackets. Hope that helps!

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